The Guardian Bookshop makes over 180,000 books available with up to 40% discount, as well as highlighting some of our favourite publications in each genre.
Find out more.
The first in a series of 4 stories about Elly, who's sent to Sunday Island to stay with her Aunt Dina for the whole summer. There she meets a bemused girl called Sierra, and a grinning girl called Tash. Together they solve an old mystery. Ages: 9+
Synopsis
When Elly makes two new friends at a super-secret midnight meeting in a tree house, her summer suddenly gets a whole lot sunnier. Along with Tash's cheeky dog, Mojo, the girls explore Sunday Island-uncovering a mystery that links their pasts, but threatens their friendship ...
